On June 8 , Dieppe Ltd. was incorporated and issued 30,000 common shares for $300,000. On August 19 , an additional 7,500 shares were issued for $90,000. On November 2, the company paid $28,800 to repurchase 3,000 common shares and on December 7 it paid $52,000 to repurchase 4,000 common shares. a) Calculate the average cost of the common shares on June 8 , August 19 , November 2 , and December 7. b) Prepare the journal entries to record the above transactions